<template>
  <div>
    <h4 class="lighter">
      <i class="ace-icon fa fa-hand-o-right icon-animated-hand-pointer blue"></i>
      <router-link to="/business/course" class="pink"> {{course.name}} </router-link>
    </h4>
    <hr>
    <p>
      <router-link to="/business/course" class="btn btn-white btn-default btn-round">
        <i class="ace-icon fa fa-arrow-left"></i>
        返回课程
      </router-link>
      &nbsp;

      <button v-on:click="add()" class="btn btn-white btn-default btn-round">
        <i class="ace-icon fa fa-edit "></i>
        新增
      </button>
      &nbsp;

      <button v-on:click="list()" class="btn btn-white btn-default btn-round">
        <i class="ace-icon fa fa-refresh "></i>
        刷新
      </button>
    </p>

    <pagination ref="pagination" v-bind:list="list" v-bind:item-count="8"></pagination>

    <table id="simple-table" class="table  table-bordered table-hover">
        <thead>
        <tr>
          <th>ID</th>
          <th>名称</th>
          <th>操作</th>
        </tr>
        </thead>

        <tbody>
        <tr v-for="chapter in chapters">
          <td>{{chapter.id}}</td>
          <td>{{chapter.name}}</td>
          <td>
            <div class="hidden-sm hidden-xs btn-group">
              <button v-on:click="toSection(chapter)" class="btn btn-white btn-xs btn-info btn-round">
                小节
              </button>&nbsp;
              <button v-on:click="edit(chapter)" class="btn btn-white btn-xs btn-info btn-round">
                编辑
              </button>&nbsp;
              <button v-on:click="del(chapter.id)" class="btn btn-white btn-xs btn-warning btn-round">
                删除
              </button>
            </div>
          </td>
        </tr>
        </tbody>
  </table>

    <div id="form-modal" class="modal fade" tabindex="-1" role="dialog">
      <div class="modal-dialog" role="document">
        <div class="modal-content">
          <div class="modal-header">
            <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
            <h4 class="modal-title">表单</h4>
          </div>
          <div class="modal-body">
            <form class="form-horizontal">
              <div class="form-group">
                <label class="col-sm-2 control-label">名称</label>
                <div class="col-sm-10">
                  <input v-model="chapter.name" class="form-control" placeholder="名称">
                </div>
              </div>
              <div class="form-group">
                <label  class="col-sm-2 control-label">课程</label>
                <div class="col-sm-10">
                  <p class="form-control-static">{{course.name}}</p>
                </div>
              </div>
            </form>
          </div>
          <div class="modal-footer">
            <button type="button" class="btn btn-default" data-dismiss="modal">取消</button>
            <button type="button" class="btn btn-primary" v-on:click="save()">保存</button>
          </div>
        </div><!-- /.modal-content -->
      </div><!-- /.modal-dialog -->
    </div><!-- /.modal -->
  </div>
</template>
<script>
import Pagination from "../../components/pagination.vue";
import Swal from "sweetalert2";
export default {
    name: 'chapter',
    components: {Pagination},
    data: function () {
      return {
          chapter:{},
          chapters:[],
          course:{},
      }
    },
    mounted() {
        let _this = this;
        _this.$refs.pagination.size = 5;
        let course = SessionStorage.get(SESSION_KEY_COURSE)||{};
        if (Tool.isEmpty(course)) {
            _this.$router.push("/welcome");
        }
        _this.course = course;
        _this.list(1);
        // sidebar激活样式方法一
        this.$parent.activeSidebar("business-course-sidebar")
    },
    methods:{
        /**
         * 点击【新增】
         */
      add(){
          let _this = this;
          _this.chapter = {};
          //$("#form-modal").modal({backdrop:"static"});禁止空白的地方关闭，某些场景需求会用到这个功能。
          $("#form-modal").modal("show");
      },
        /**
         * 点击【编辑】
         * @param chapter
         */
      edit(chapter){
          let _this = this;
          _this.chapter = $.extend({},chapter);
          $("#form-modal").modal("show");
      },

        /**
         * 列表查询
         * @param page
         */
      list(page) {
          let _this = this;
          Loading.show();
          _this.$ajax.post(process.env.VUE_APP_SERVER + '/business/admin/chapter/list',{
              page: page,
              size: _this.$refs.pagination.size,
              courseId: _this.course.id
          }).then((response)=>{
              Loading.hide();
              let resp = response.data;
              _this.chapters = resp.content.list;
              _this.$refs.pagination.render(page,resp.content.total);
          })
      },

        /**
         * 点击【保存】
         */
        save(){
          let _this = this;

          // 保存校验
          if (!Validator.require(_this.chapter.name, "名称")
              || !Validator.length(_this.chapter.courseId, "课程ID", 1, 8)) {
              return;
          }

          _this.chapter.courseId=_this.course.id;

          Loading.show();
          _this.$ajax.post(process.env.VUE_APP_SERVER + '/business/admin/chapter/save',
          _this.chapter).then((response)=>{
              Loading.hide();
              let resp = response.data;
              if (resp.success){
                  $("#form-modal").modal("hide");
                  _this.list(1);
                  Toast.success("保存成功")
              }else {
                  Toast.warning(resp.message)
              }
          })

      },

        /**
         * 点击【删除】
         * @param id
         */
      del(id){
          let _this = this;
          Confirm.show("删除大章后不可恢复，确认删除？",function () {
              Loading.show();
              _this.$ajax.delete(process.env.VUE_APP_SERVER + '/business/admin/chapter/delete/'+id).then((response)=>{
                  Loading.hide();
                  let resp = response.data;
                  if (resp.success){
                      _this.list(1);
                      Toast.success("删除成功")
                  }
              })
          });
      },
        /**
         * 点击【小节】
         */
        toSection(chapter) {
            let _this = this;
            SessionStorage.set(SESSION_KEY_CHAPTER, chapter);
            _this.$router.push("/business/section");
        }
    }
}
</script>
